Resolving dependencies...
Configuring bindings-DSL-1.0.22...
Building bindings-DSL-1.0.22...
Preprocessing library bindings-DSL-1.0.22...
[1 of 1] Compiling Bindings.Utilities ( Bindings/Utilities.hs, dist/build/Bindings/Utilities.o )

Bindings/Utilities.hs:2:1: Warning: Tab character

Bindings/Utilities.hs:3:1: Warning: Tab character

Bindings/Utilities.hs:32:1: Warning: Tab character

Bindings/Utilities.hs:33:1: Warning: Tab character

Bindings/Utilities.hs:34:1: Warning: Tab character

Bindings/Utilities.hs:35:1: Warning: Tab character

Bindings/Utilities.hs:36:1: Warning: Tab character

Bindings/Utilities.hs:37:1: Warning: Tab character

Bindings/Utilities.hs:38:1: Warning: Tab character

Bindings/Utilities.hs:39:1: Warning: Tab character
In-place registering bindings-DSL-1.0.22...
Running Haddock for bindings-DSL-1.0.22...
cabal: Haddock's internal GHC version must match the configured GHC version.
The GHC version is 7.10.2 but haddock is using GHC version 7.8.3
Creating package registration file:
/tmp/pkgConf-bindings-DSL-1.0336465782861021530.22
Installing library in
/home/builder/hackage-server/build-cache/tmp-install/lib/x86_64-linux-ghc-7.10.2/bindings-DSL-1.0.22-2m2ZVVxqiWcGXmClWGGYoj
Registering bindings-DSL-1.0.22...
Installed bindings-DSL-1.0.22
Configuring bindings-nettle-0.4...
cabal: The pkg-config package 'nettle' is required but it could not be found.
Failed to install bindings-nettle-0.4
cabal: Error: some packages failed to install:
bindings-nettle-0.4 failed during the configure step. The exception was:
ExitFailure 1